Class 10 Science ⚗️

Board exam ka saal! Chemistry, Biology aur Physics ke saare concepts - real-life examples, solved numericals, diagrams aur interactive labs ke saath, easy Roman Hindi me.

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CBSE Class X (2026-27) syllabus ke hisaab se - 5 units, 80 marks ka theory paper. Har chapter mein detailed lessons, diagrams, board-style numericals aur interactive experiments. Jo topics sirf formative hain (board exam mein nahi aayenge) unhe alag se mark kiya gaya hai.

🧪 Unit I — Chemical Substances: Nature & Behaviour 25 marks
⚗️ Chemistry

1. Chemical Reactions and Equations

Chemical change, equations likhna aur balance karna, reaction (abhikriya) ke 5 types, redox, corrosion aur rancidity. Equation Balancer, Reaction Classifier + 3D lab ke saath!

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🧫 Chemistry

2. Acids, Bases and Salts

H⁺/OH⁻ definitions, indicators, chemical properties, neutralisation, pH scale aur kaam ke rasayan. Indicator Lab, Titration sim + 3D Ion lab ke saath!

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🔩 Chemistry

3. Metals and Non-metals

Physical-chemical properties, reactivity series, ionic compounds, metallurgy aur corrosion. Sorter game, Reactivity Lab + 3D Crystal Lattice lab ke saath!

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💎 Chemistry

4. Carbon and its Compounds

Covalent bond, catenation, hydrocarbons, isomers, IUPAC naming, ethanol-ethanoic acid aur soap. 3D Molecule Lab, Naming Trainer + Micelle lab ke saath!

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📋 Chemistry 📝 Formative only — board exam mein nahi

Periodic Classification of Elements

Dobereiner ke triads, Newlands ka octaves niyam, Mendeleev aur Modern Periodic Table, metallic-nonmetallic properties.

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🌱 Unit II — World of Living 25 marks
🫀 Biology

5. Life Processes

Nutrition (poshan), respiration (shwasan), transportation (parivahan) aur excretion (utsarjan) - paudhon aur jeevon mein. 3D Dhadakta Dil, Digestion Journey + Photosynthesis lab ke saath!

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🧠 Biology

6. Control and Coordination

Nervous system, reflex arc, dimaag, hormones aur paudhon ke tropisms. 3D Human Brain, Reflex simulator + Hormone map ke saath!

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🌸 Biology

7. Reproduction

Asexual-sexual reproduction (prajanan), phoolon aur manushya mein, aur reproduction swasthya. 3D Asexual lab, Pollination (paraagan) journey + Variation (vividhata) simulator ke saath!

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🧬 Biology

8. Heredity

Mendel ke matar ke prayog, monohybrid 3:1 aur dihybrid 9:3:3:1, gene-chromosome, aur sex determination. 3D DNA lab, Punnett builder + Pedigree explorer ke saath!

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🦕 Biology 📝 Formative only — board exam mein nahi

Evolution

Acquired (arjit) vs inherited (anuvanshik) traits, speciation, fossils, evolutionary relationships aur manav vikas (human evolution).

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💡 Unit III — Natural Phenomena 12 marks
🔦 Physics

9. Light — Reflection and Refraction

Spherical mirror (gola darpan), ray (kiran) diagrams, mirror aur lens formula, refractive index (apvartanank), TIR aur power — poore hal kiye hue numericals ke saath. 3D Optical Bench, Ray builder + Numerical trainer!

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👁️ Physics

10. The Human Eye and the Colourful World

Aankh ki banawat, accommodation, eye defects aur unka ilaaj, prism-dispersion, rainbow aur aasman ka neela rang. Chalta hua 3D Living Eye, Prism explorer + Sky explorer ke saath!

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⚡ Unit IV — Effects of Current 13 marks
🔌 Physics

11. Electricity

Current, potential difference, Ohm ka niyam, resistance, series-parallel aur heating effect.

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🧲 Physics

12. Magnetic Effects of Electric Current

Magnetic field aur field lines, current-carrying conductor/solenoid, Fleming ka Left Hand Rule, DC vs AC aur domestic circuits. (Motor, EM induction aur generator formative-only hain.)

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🌍 Unit V — Natural Resources 5 marks
🌳 Environment

13. Our Environment

Ecosystem, food chain aur web, ozone layer, aur kachra prabandhan (waste management).

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